The Energizer ENC-2A battery charger/maintainer features 6 volt and 12 volt charging selectivity, with a 7 step smart charging technology that will improve your batterys life cycle. Product Features:Use for battery maintenance, charging RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft and more.Maintains battery charge in stored vehicles and battery applications. Includes two connector sets: Battery clips, and battery ring terminals.Fully automatic; provides a charge when needed, stops charging when battery is fully-charged or topped-off.Built-in circuit protection guards against overcharging, reverse polarity, and short circuit. Automatic Micro Processor Control Unit Charge.Battery maintainer for use on 6V & 12V battery systemsCharges 6 and 12 volt AGM, GEL and WET batteries2 amp chargerEasy connection to vehicle battery using the included battery clips, O-ring terminals, or vehicle DC plugAutomatically switches between charging and float modesHigh-frequency smart charging technology keeps batteries at optimal chargeETL Approved under UL std 1236 and CSA C22.2